If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
19x2 + -18 = 139
Reorder the terms:
-18 + 19x2 = 139
Solving
-18 + 19x2 = 139
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '18' to each side of the equation.
-18 + 18 + 19x2 = 139 + 18
Combine like terms: -18 + 18 = 0
0 + 19x2 = 139 + 18
19x2 = 139 + 18
Combine like terms: 139 + 18 = 157
19x2 = 157
Divide each side by '19'.
x2 = 8.263157895
Simplifying
x2 = 8.263157895
Take the square root of each side:
x = {-2.874570906, 2.874570906}
| 21k=-102 | | 21k=25 | | 1-3p-3=17 | | .3m+5=35 | | 3t-6=-1.5 | | x^4+-4x^2+-4x^2+16= | | B/-6=-15 | | x/4-3=10 | | 16=r-5r | | 71/4x-x=93/8 | | 4x^2/4x^3+12x | | 3c-5=2c+tc | | 3w-(7w+12)=2(w-3) | | 2x+7x=8x | | 1/2x+6=x+1 | | 9(x+1)=9(1+7x)+x | | -9x-7=35 | | -9-7=35 | | 6c+6=36 | | 8-3(k+2)=2-3k | | 4/9n+9=13 | | 16x+x^3=0 | | 0.5x-6=74 | | 6x+8=5x+4 | | c+18=110 | | 1/3x-4=5/6 | | 4/5/11/5 | | r/5=90 | | 5/5/1/1 | | A=650m^2 | | y=-0.02n^2+0.23n+2.34 | | 21+r/7=24 |